Acts 16:21

And teach customs, which are not lawful for us to receive, neither to observe, being Romans.
Word Reference
Original Word Definitions
καὶ
G2532 CONJ
kai
and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
  • and, also, even, indeed, but
καταγγέλλουσιν
G2605 V-PAI-3P
katangellō
to proclaim, promulgate
  • to announce, declare, promulgate, make known
  • "to proclaim publicly, publish"to denounce, report, betray
ἔθη
G1485 N-APN
ethos
a usage (prescribed by habit or law)
  • custom
  • "usage prescribed by law, institute, prescription, rite
G3739 R-APN
hos
the relatively (sometimes demonstrative) pronoun, who, which, what, that
  • who, which, what, that
οὐκ
G3756 PRT-N
ou
the absolute negative (compare G3361) adverb; no or not
  • no, not
ἔξεστιν
G1832 V-PAI-3S
exesti
so also ἐξόν neuter present participle of the same (with or without some form of G1510 expressed); impersonally, it is right (through the figurative idea of being out in public)
  • it is lawful
ἡμῖν
G2254
hēmin
to (or for, with, by) us
  • us, we, our
παραδέχεσθαι
G3858 V-PNN
paradechomai
to accept near, i.e., admit or (by implication) delight in
  • to receive, take up, take upon one's self
  • "to admit i.e., not to reject, to accept, receive
    • of a son: to acknowledge as one's own
οὐδὲ
G3761 CONJ-N
oude
not however, i.e., neither, nor, not even
  • but not, neither, nor, not even
ποιεῖν
G4160 V-PAN
poieō
to make or do (in a very wide application, more or less direct)
  • to make
    • with the names of things made, to produce, construct, form, fashion, etc.
    • "to be the authors of, the cause"to make ready, to prepare"to produce, bear, shoot forth"to acquire, to provide a thing for one's self"to make a thing out of something"to (make i.e.,) render one anything
      • to (make i.e.,) constitute or appoint one anything, to appoint or ordain one that
      • "to (make i.e.,) declare one anything
      to put one forth, to lead him out"to make one do something
      • cause one to
      to be the authors of a thing (to cause, bring about)
    to do
    • to act rightly, do well
      • to carry out, to execute
      to do a thing unto one
      • to do to one
      with designation of time: to pass, spend"to celebrate, keep
      • to make ready, and so at the same time to institute, the celebration of the passover
      to perform: to a promise
Ῥωμαίοις
G4514 A-DPM-LG
rhōmaios
Romaean, i.e., Roman (as noun)
  • a resident of the city of Rome, a Roman citizen
οὖσιν
G5607
ōn
being
  • being, etc.

καὶ καταγγέλλουσιν ἔθη ἃ οὐκ ἔξεστιν ἡμῖν παραδέχεσθαι οὐδὲ ποιεῖν Ῥωμαίοις οὖσιν
21
And teach customs, which are not lawful for us to receive, neither to observe, being Romans.
Cross References

Esther 3:8

וַיֹּאמֶר הָמָן לַמֶּלֶךְ אֲחַשְׁוֵרוֹשׁ יֶשְׁנוֹ עַם-אֶחָד מְפֻזָּר וּמְפֹרָד בֵּין הָֽעַמִּים בְּכֹל מְדִינוֹת מַלְכוּתֶךָ וְדָֽתֵיהֶם שֹׁנוֹת מִכָּל-עָם וְאֶת-דָּתֵי הַמֶּלֶךְ אֵינָם עֹשִׂים וְלַמֶּלֶךְ אֵין-שׁוֶֹה לְהַנִּיחָֽם׃
8
And Haman said unto king Ahasuerus, There is a certain people scattered abroad and dispersed among the people in all the provinces of thy kingdom; and their laws are diverse from all people; neither keep they the king's laws: therefore it is not for the king's profit to suffer them.

Acts 16:12

ἐκειθέν τε εἰς Φιλίππους ἥτις ἐστὶν πρώτη τῆς μερίδος τὴς Μακεδονίας πόλις κολωνία ἦμεν δὲ ἐν ταύτῃ τῇ πόλει διατρίβοντες ἡμέρας τινάς
12
And from thence to Philippi, which is the chief city of that part of Macedonia, and a colony: and we were in that city abiding certain days.

Acts 26:3

μάλιστα γνώστην ὄντα σε πάντων τῶν κατὰ Ἰουδαίους ἐθῶν τε καὶ ζητημάτων διὸ δέομαι σου μακροθύμως ἀκοῦσαί μου
3
Especially because I know thee to be expert in all customs and questions which are among the Jews: wherefore I beseech thee to hear me patiently.

Jeremiah 10:3

כִּֽי-חֻקּוֹת הָֽעַמִּים הֶבֶל הוּא כִּֽי-עֵץ מִיַּעַר כְּרָתוֹ מַעֲשֵׂה יְדֵי-חָרָשׁ בַּֽמַּעֲצָֽד׃
3
For the customs of the people are vain: for one cutteth a tree out of the forest, the work of the hands of the workman, with the axe.